Here's a little tale of two giant companies going opposite ways yet bound for the same place: Mediocreville. Both are trying desperately to avoid that end, one by boundlessly buying new businesses and the other by ripping itself apart. These are choices that companies face all the time, by the way, and they are critical to stock-market performance. One company is AT&T;, which last week announced its third breakup in 17 years. The other is GE, which unveiled its umpteenth and largest acquisition--$45 billion for defense contractor Honeywell.
GE mediocre? The corporate icon headed by Jack Welch since 1981 has thrived...