Stocks were indicated flat on Tuesday despite better news in Greece and an Iran deal. So far, in a trend that is nearing four years old, investors just keep buying every dip in the stock market. 24/7 Wall St. reviews dozens of analyst and brokerage reports each morning in order to find new trading and investing ideas for its readers. Some analyst calls cover stocks to buy, and others cover stocks to sell or to avoid.

These are this Tuesday’s top analyst upgrades, downgrades and initiations.

Amazon.com Inc. (NASDAQ: AMZN) was raised to Buy from Neutral with a $550 price target (versus a $455.57 close) at UBS. Amazon has a consensus price target of $473.53 and a 52-week trading range of $284.00 to $457.87. While this is a very high target, the highest analyst target on Amazon is still $600.

Biogen Inc. (NASDAQ: BIIB) was raised to Buy from Neutral at Bank of America Merrill Lynch and the price target is $466 (versus a $391.23 close). Biogen’s consensus price target is $476.38 and the 52-week range is $290.85 to $480.18.

GoPro Inc. (NASDAQ: GPRO) was raised to Overweight from Equal Weight and the price target was raised to $65 from $50 (versus a $52.11 close) at Barclays. The consensus price target is $69.25 and GoPro has a 52-week range of $37.13 to $98.47.

Intel Corp. (NASDAQ: INTC) was downgraded to Underperform from Market Perform with a $25 price target at Bernstein. This is a day after Cowen maintained its Market Perform rating and cut the price target to $32 from $33. Intel closed at $29.73 and has a consensus price target of $33.84 and a 52-week range of $28.82 to $37.90.

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Micron Technology Inc. (NASDAQ: MU) was reiterated as Outperform with a $34 price target at Credit Suisse. This on the heels of reports of a Chinese company making an offer at $21 per share. The previous close was $17.61, but shares were seen up 12% at $19.65 in early Tuesday indications. The deal as it stands has little to no chance of approval.

SunPower Corp. (NASDAQ: SPWR) was started as Overweight with a $42 price target (versus a $26.98 close) at JPMorgan. Goldman Sachs also started it as Buy with a $37 price target. SunPower has a consensus price target of $40.20 and a 52-week range of $22.75 to $39.95.

Other key analyst upgrades and downgrades this Tuesday were seen as follows:

Ballard Power Systems Inc. (NASDAQ: BLDP) was started as Buy with a price target of $2.50 (versus a $1.44 close) at H.C. Wainwright.

California Resources Corp. (NYSE: CRC) was started as Buy with a $7 price target (versus a $5.39 close) at Soc-Gen.

Coca Cola Femsa SAB de C.V. (NYSE: KOF) was raised to Overweight from Equal Weight at Barclays.

Carnival Corp. (NYSE: CCL) was upgraded from Underperform to Hold with a price target of $45.00 at Jefferies.

Fogo de Chao Inc. (NASDAQ: FOGO) was started as Neutral with a $24 price target at Credit Suisse.

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Hanover Insurance Group Inc. (NYSE: THG) was started as Overweight with an $87 price target (versus a $77.54 close) at Piper Jaffray.

MINDBODY Inc. (NASDAQ: MB) was started as Outperform with an $18 price target at Credit Suisse. JMP Securities started coverage with a Market Outperform rating and $22 price target. UBS started it with a Buy rating and $19 price target, and Morgan Stanley gave an Overweight rating and $16.50 target. Pacific Crest started it as Overweight with a $19 price target.

Mercury Systems Inc. (NASDAQ: MRCY) was started as Hold at Jefferies.

Plexus Corp. (NASDAQ: PLXS) was started as Buy with a price target of $47.00 at B. Riley.

Workday Inc. (NYSE: WDAY) was raised to Buy from Hold at Evercore ISI.

YPF S.A. (NYSE: YPF) was raised to Outperform from Neutral at Credit Suisse.

8point3 Energy Partners L.P. (NASDAQ: CAFD) was started as Buy with a $25 price target (versus an $18.07 close) at Deutsche Bank.

ALSO READ: 5 Fresh Dividend Hikes Too Important to Ignore

In case you missed Monday’s top analyst upgrades and downgrades, they included Fitbit, Apple, ARM Holdings, Groupon, Palo Alto Networks, PepsiCo, Windstream and a dozen or so more.

Credit Suisse on Greece: The firm still places a 30% probability of a Grexit over the next year, and they believe that Continental European equities have experienced most of their Greece-related rally, but they are sticking with an overweight weighting in Continental Europe.

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