After Hours Winners & Losers for May 9: MNST, TSLA, NWSA, PCS, SGI, WFR, GEN

Monster Beverage Corporation (NASDAQ:MNST) is up 13.29% in after hours trading at $73.99. MNST shares are rallying right now as the company reports record first quarter profits. Gross sales jumped nearly 27% in the first quarter to $517.3 million, while net sales jumped 27.5% to $454.6 million. Net income rose 38.3% to $76.1 million versus $55 million a year ago. The company has a market cap of 11.38 billion.

Tesla Motors, Inc. (NASDAQ:TSLA) is up 8.12% in after hours trading at $32.50. TSLA cloesd normal trading down 0.43% with 1.7 million shares traded. Tesla announced first quarter results after the close today. Results missed estimates, but shares rose as the company moves the launch of new sedan up. The company has a market cap of 3.14 billion.

News Corp. (NASDAQ:NWSA) is up 3.20% in after hours trading at $20.00. NWSA announced third quarter results a few minutes ago and posted a stronger than expected profit thanks to its cable networks and movie studio business. The company has a market cap of 47.95 billion.

MetroPCS Communications, Inc. (NYSE:PCS) is up 1.33% in after hours trading at $7.60. PCS closed normal trading hours up 14.33% at $7.50 with 32.9 million shares traded, 5 times its average volume. PCS shares rose today on news that Deutsche Telekom is considering a deal that would merge T-Moblie USA with MetroPCS. The company has a market cap of 2.72 billion.

Silicon Graphics International Corp. (NASDAQ:SGI) is down 10.78% in after hours trading at $8.11. SGI shares are tumbling right now on weak fourth quarter guidance. The company has a market cap of 287.62 million.

MEMC Electronic Materials Inc. (NYSE:WFR) is down 7.69% in after hours trading at $3.00. WFR shares are taking a hit as the company reports a $92 million first quarter loss due to falling sales. The company has a market cap of 750.10 million.

GenOn Energy, Inc. (NYSE:GEN) is down 3.64% in after hours trading at $2.12. GEN shares have recently been up about 7% over the past week. The company has a market cap of 1.7 billion.