General Electric's third-quarter profit missed Wall Street estimates by a wide margin today and the industrial conglomerate slashed its earnings forecast.

The news sent the year's worst-performing Dow stock down another 6%. 

GE reported adjusted profit of 29 cents a share compared with the 49 cents a share analysts had expected, according to a consensus of estimates from Thomson Reuters. 

GE cut its profit forecast for the full year to $1.05 to $1.10 a share, from $1.60 to $1.70 previously.

It also said it would generate about $7 billion in cash from operations, down from $12 billion to $14 billion it had forecast earlier. 

GE said weak performance in its power and oil and gas businesses, goodwill impairment and higher-than-expected restructuring costs under new chief executive John Flannery were the main causes of the profit decline. 

GE's "solid" performance in other businesses "was offset by a decline in power performance in a difficult market," Flannery said. 

Industrial cash flow from operations fell mainly "because of lower power volume, resulting in lower earnings and higher inventory." 

Profit at GE's power business, which makes power plants and related equipment, fell 51% in the quarter. 

Excluding items, industrial cash flows from operating activities was $1.74 billion in the third quarter ended September 30, down from $2.90 billion, a year earlier. 

The company reported a 14.4% rise in revenue to $33.47 billion, boosted by the acquisition of oilfield services provider Baker Hughes. 

Unadjusted earnings per share from continuing operations fell to $1.80 billion, or 22 cents a share, from $1.99 billion, or 24 cents, the company said.