Caterpillar

Weld job may have weakened San Bruno pipeline

Investigators into the violent and deadly natural gas line explosion in San Bruno, California on Sept. 9, 2010, have discovered that certain pipe segments were welded only from the outside, not from both inside and outside the pipe, the National Transportation Safety Board said today.

US stocks advance in early trade

Stocks on major U.S. indices opened higher as takeovers and faster-than-estimated growth in retail sales fueled optimism in the economy.

Caterpillar paying $7.6 bln for rival Bucyrus

Caterpillar Inc., which makes earthmoving machinery, agreed to buy rival Bucyrus International for a total of $7.6 billion, or $92 per share, in cash to boost its presence in the mining equipment industry.

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