Enron Corp.’s fall Tuesday from the august New York Stock Exchange to the lowest tier of securities trading--the unregulated “pink sheets”--reflects deep skepticism about the energy-trading ...

Investors fled the stock of recent darling Calpine Corp. on Monday, pushing the share price to a one-year low after a newspaper article compared the San Jose electricity producer with decaying ...

Former Enron Corp. chairman Kenneth L. Lay sold about $70 million worth of his Enron stock back to the company to repay loans last year, including $16.3 million worth in the 13 days after he was ...

Enron is an asset-light energy trading company, a buyer and seller but producer of little. Calpine, on the other hand, is all about power plant generation, and only 20 percent of its revenue comes ...

Growth for Enron was rapid.In 2000, the company's annual revenue reached$100 billion US. Itranked as the seventh-largest company on the Fortune 500 and the sixth-largest energy company in the world.

Enron's History and Accounting Method . ... Around the same time, analysts began to downgrade their rating for Enron’s stock, and the stock descended to a 52-week low of $39.95.