Media Digest (8/20/2012) Reuters, WSJ, NYT, FT, Bloomberg

Workers in the aerospace industry are concerned about potential military cuts at the end of this year. (Reuters)

Best Buy Co. Inc. (NYSE: BBY) says that founder Richard Schulze turned down an offer from the board to conduct due diligence ahead of a possible buyout. (Reuters)

American Airlines attendants accept new labor terms. (Reuters)

Some of Groupon Inc.’s (NASDAQ: GRPN) largest shareholders have sold the stock (WSJ)

Hubert Joly, head of Carlson, will become CEO of Best Buy. (WSJ)

Aetna Inc. (NYSE: AET) will buy Coventry Health Inc. (NYSE: CVH) for $5.7 billion. (WSJ)

CME Group (NASDAQ: CME) to launch an exchange in London. (WSJ)

General Motors Co. (NYSE: GM) comes closer to a deal to shorten working hours at some German plants. (WSJ)

GM products sold in China influence the design of some of its new cars. (WSJ)

J.P. Morgan Chase & Co. (NYSE: JPM) chooses former Exxon Mobil Corp. (NYSE: XOM) CEO Lee Raymond to oversee an investigation of a huge trading loss based in London. (WSJ)

Spain asks for the European Central Bank to purchase its bonds ahead of a request for a bailout from its neighbors. (WSJ)

Plans by Royal Dutch Shell PLC (NYSE: RDS-A) proceed slower than expected. (WSJ)

Boeing Co. (NYSE: BA) begins efforts to speed deliveries of 787s. (WSJ)

Dish Network Corp. (NASDAQ: DISH) hurts the prospects of once-hot AMC Networks Inc. (NASDAQ: AMCX). (WSJ)

Aid to Greece is not firmly in place, which could hurt global markets. (NYT)

Medical apps may soon be prescribed by doctors. (NYT)

The head of Caterpillar Inc. (NYSE: CAT) says the current economic period is as uncertain as the one during the recession and warns about Europe. (FT)

Banks use an excess $1.7 billion, built from deposits, to buy Treasuries. (Bloomberg)

Investors fear more upcoming ends to lockups of Facebook Inc. (NASDAQ: FB) shares. (Bloomberg)

Douglas A. McIntyre