Market Update: Merck (NYSE:MRK), Research In Motion (NASDAQ:RIMM), Caterpillar (NYSE:CAT), Chevron (NYSE:CVX)

Merck (NYSE:MRK) said its net income more than tripled to $1.04 billion, or 34 cents a share, from $299 million, or 9 cents a share, in the year-ago period. Sales rose 1% to $11.58 billion from $11.42 billion. Results showed the Whitehouse Station, N.J.-based drug company benefited from fewer one-time costs in the recent . . . → Read More: Market Update: Merck (NYSE:MRK), Research In Motion (NASDAQ:RIMM), Caterpillar (NYSE:CAT), Chevron (NYSE:CVX)