With 2014 another strong year for stocks, and with the bull market nearing six years old, investors have to be wondering what to expect in 2015. Many stocks have risen 50%, 100% and even higher. Then there are the dogs as well — many large and well-known companies have seen their stocks get cut by more than half.

24/7 Wall St. wanted to evaluate he prospects for the companies that have fallen by more than half. While we tried to keep a $5 billion floor, the reality is that the drops were severe enough in some of these companies that they fell under a $5 billion market cap. Will that continue in 2015?

It should be unsurprising that many of these biggest losers, even among mid-cap and large-cap stocks, are either tied to oil and gas or they were American depositary shares (ADSs) of companies that are either Russian or have large exposure to Russia. Other large losers are ADSs tied to other emerging markets that have been under pressure.

Furthermore, 24/7 Wall St. has just featured the best large stocks that doubled in 2014.

VimpelCom Ltd. (NASDAQ: VIP) shares were down just over 70% year-to-date at Wednesday’s close of $3.67, with what appears to be a $7 billion market cap, and a 52-week range of $3.09 to $13.00. VimpelCom has exposure in far more countries than just Russia, but it is one of the top Russian telecom players — with outside markets of Italy, Algeria, Kazakhstan, Ukraine, Pakistan, Bangladesh, Armenia, Tajikistan, Uzbekistan, Georgia, Kyrgyzstan, Laos, Central African Republic, Burundi, Cambodia, Canada and Zimbabwe. VimpelCom’s shares have now bounced handily, but the stock is still down close to 70% from its 52-week high. We could spend time analyzing it, but as goes Russia’s stock market and currency, so goes VimpelCom. Mobile Telesystems is effectively in the same boat and was not covered due to investors treating them largely the same.

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Nu Skin Enterprises Inc. (NYSE: NUS) shares were down 70% year-to-date at Wednesday’s close of $39.51. Analysts have a consensus price target of $55.43. The stock has a 52-week range of $38.12 to $140.50 and a market cap of $2 billion. Nu Skin may have China to thank for much of its woes. Investors who see a stock fall from $140 to $40 are understandably unforgiving. Despite growth in prior years, 2014 revenue was projected to be down almost 20%, with another drop of about 1% more in sales in 2015. Its high yield of 3% is high only due to a massive stock drop. Being valued at an expected 10 times earnings sounds cheap, as long as you know that is due to no growth expected. Deutsche Bank has reportedly given it a favorable view recently and valuation based on new products for Asia.

Seadrill Ltd. (NYSE: SDRL) shares were down about 68% so far in 2014, at the most recent close of $12.16. The stock has a consensus price target of $22.71 and a 52-week range of $10.55 to $41.29. Seadrill was the first of the offshore drillers to come clean with a suspension of its dividend. To show just how sensitive this was, the former dividend would generate a yield of 35% or so now if it was still being paid. As goes oil’s price, so goes Seadrill — or so everyone hopes. The company has a market cap of nearly $6 billion.

3D Systems Corp. (NYSE: DDD) was down a sharp 65% year-to-date at Wednesday’s close of $32.11. Analysts have a consensus price target of $45.10, but the 52-week range is $27.46 to $97.28. Despite the drop, it still has a market cap of over $3 billion. 3D Systems was supposed to be the leader in the 3D printing boom. Revenues are still expected be up 30% in 2014 and 2015, but the reality is that valuations just could not be sustained. The question is if 30 times expected 2015 earnings is “cheap enough” for a high-growth stock that is now a former high-flyer that crashed and burned.

ALSO READ: The 7 Worst Investments of 2014

National Bank of Greece S.A. (NYSE: NBG) was last seen down 64% in 2014, as of Wednesday’s close at $1.99. This Greek bank stock supposedly has a consensus price target of $3.94, but we would be leery of any hard numbers based on analysts valuing the stock in New York and in Greece. With a 52-week range of $1.76 to $5.98, NBG has a market cap of almost $7 billion. What can be said about NBG other than that it is the only major Greek bank to be listed on a primary exchange in the United States? Greece seems to be the perpetual battleground nation of the PIIGS, with the least certain future in the euro. New elections being called prematurely was the latest issue to suck these shares lower, but the reality is that Greece could just keep doing this over and over.

Sprint Corp. (NYSE: S) is now down by about 61% year-to-date, as of Wednesday’s close at $3.97. Its consensus price target is $7.28, the 52-week range is $3.79 to $11.47 and its market cap is now about $16 billion. Sprint may be a real threat to Verizon and AT&T profitability, but it shares one thing with T-Mobile now — it just has been unable to make any profits to speak of. In fact, Sprint has posted losses year after year. Overbilling fines won’t help, but Sprint would have still lost money even if that wasn’t an issue. Softbank may even be less enthusiastic with its 78% or so ownership stake, unless it wants to just try to own the whole thing. Sprint remains nearly impossible to do traditional valuation analysis on.

Ocwen Financial Corp. (NYSE: OCN) was down 60% year-to-date in 2014, based on Wednesday’s close of $21.19. The stock now has a consensus price target of only $24.67 after bad news, and it has a 52-week range of $18.47 to $56.82 and a market cap of about $2.6 billion. Ocwen was already down handily this year, but the latest actions brought against the company could pose a serious risk ahead. The woes started out with the inquiry and charge from the state of New York, but this has expanded, as Ocwen recently said that it has been working closely with the Office of Mortgage Settlement Oversight on two issues identified in the report covering the first six months of 2014. Our view was that the company may have seriously or permanently damaged its prospects for investors. That view has not changed as of yet.

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Transocean Ltd. (NYSE: RIG) shares are down about 60% so far in 2014. Wednesday’s close of $18.21 is still under the consensus analyst price target of $23.37, but the stock has a 52-week range of $15.97 to $49.58. This drilling services giant is now less of a giant, with a market cap of about $6.6 billion. Transocean has two key statistics to consider for an S&P 500 stock. It has been the worst performing S&P 500 stock of 2014, and until we know the earnings and dividend outlook, it ass the highest yield of the S&P 500 stocks. How can any investor expect a 17% or so dividend yield to be realistic ahead? The good news is that Transocean shares have bounced in recent days with oil, but the bad news is that it will take much higher oil prices before investors really want to get back in massively here. Transocean is not just considered a leader in offshore contract drilling services, it is a leader in deepwater and harsh environment drilling, where it has to have much higher oil prices for those projects to be highly profitable. It was part of our offshore drilling outlook for 2015.

Yandex N.V. (NASDAQ: YNDX) shares were down 59% year-to-date at Wednesday’s closing price of $17.30. Shares of the online search engine of Russia and elsewhere have a 52-week range of $15.03 to $45.42, and the market cap is now about $5.6 billion. Yandex is considered by many investors to be the “Google of Russia.” The stock has already bounced 20% from its recent lows as Russia seems to have stabilized this week. Unfortunately, this stock is not being evaluated for its growth potentiality in Russia and internationally. It likely has great growth prospects, but this is simply riding Russia’s coat tails up or down.

Peabody Energy Corp. (NYSE: BTU) was last seen down about 58% so far in 2014. Its most recent share price of $7.96 compares with what feels like a very high consensus analyst price target of $15.76. The stock has a 52-week range of $7.23 to $19.94. Does anyone care that it was a $70 stock as recently as 2011? Peabody Energy is simply in the wrong industry for the current time, as the Western world, and the U.S. administration in particular, has made coal about as popular as torture. That may change under a different regime in the years ahead, or if climate fears somehow dissipate, but the reality is that being a top coal player is just not an attractive position to be in. With a market cap of close to $2 billion, its revenues are over three times that number. Peabody has generated losses on net income in the past two years, and analysts expect operating losses in 2014 and 2015.

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