Stocks down

US stocks tumbled yesterday following weak employment and manufacturing data, and as the Federal Reserve stuck to its aggressive economic stimulus program.

Vrooom!

Ford, GM and Chrysler reported US sales increases for April, building on their first sweep of market-share gains in the first quarter of any year in two decades.

Phone war

The Pentagon expects to grant separate security approvals for Samsung Galaxy gizmos and Apple iPhones, setting the stage for its own smartphone war, WSJ.com reported yesterday.

Oracle IMC

Berkshire Hathaway agreed to pay $2.05 billion for the 20 percent of IMC International Metalworking Cos. that it doesn’t already own as billionaire Warren Buffett expands his bet on the Israeli manufacturer.

Awesome get

DreamWorks Animation agreed to buy teen-oriented YouTube network AwesomenessTV to secure an online platform for its family-focused movie franchises.