First quarter revenue and earnings fell for Lexmark International Inc. (NYSE: LXK) to 46 cents per share from 62 cents per share a year earlier sending the stock price plummeting $5.25 to close at $41.52.
Arch Coal Inc. (NYSE: ACI) widened first quarter losses more than expected to 59 cents per share from 33 cents per share in the year ago period prompting the company to cut its shipment forecast. The stock price fell 42 cents to close at $4.55.
Brean Capital initiated coverage of SunEdison Inc. (NYSE: SUNE) with a Hold rating while Greenlight Capital disclosed that it acquired a large position in the company. The stock price soared $2.13 to close at $20.06.
Morgan Stanley initiated coverage of GW Pharmaceuticals (Nasdaq: GWPH) with an Overweight rating and a price target of $103 sending the stock price soaring $15.88 to $61.92.
Medidata Solutions Inc. (Nasdaq: MDSO) fell to a loss for the first quarter of 3 cents per diluted share compared with earnings of 11 cents per diluted share in the year ago period. The stock price plummeted $14.34 to $38.35.
Valeant Pharmaceuticals International Inc. (NYSE: VRX) offered a premium of approximately $46 billion in cash and stock to acquire Allergan Inc. (NYSE: AGN). Shares of Valeant surged $9.73 to $135.74 while Allergan stock jumped $22.80 to $164.80.
Goldman Sachs downgraded Walter Energy Inc. (NYSE: WLT) from a Neutral rating to a Sell rating and slashed its price target from $9 to $5. The stock price fell 67 cents to close at $7.24.
Shares of Moneygram International Inc. (Nasdaq: MGI) continued falling by plunging $2.01 to close at $12.80 after Wal-Mart Stores Inc. (NYSE: WMT) announced its entry into the money transfer service business last week. Wal-Mart stock edged down 6 cents to close at $77.60.
Shares of Advanced Micro Devices Inc. (NYSE: AMD) rose 43 cents to close at $4.12 after reporting better than expected results last week.
Shares of Weibo Corp. (Nasdaq: WB) continued rising by soaring $3.04 to $23.28 after a strong debut last week.