Hanwha SolarOne (HSOL) is gaining Thursday after reporting its second quarter results and third quarter shipment guidance.

When a stock makes a large-percentage move, it is often just the start of a new major trend -- a trend that can lead to huge profits.

Hanwha Solarone Co. (HSOL) stock is tumbling Wednesday after reporting a sequential quarterly drop in earnings and revenue over the March-ending period.

Hanwha SolarOne (HSOL) announced Tuesday that its chairman and CEO Ki-Joon Hong had retired from the company. Hong had been director since October 2010 and CEO since June 2011. A permanent is expected to be announced in April.

Shares of Hanwha SolarOne (HSOL) were up 1.4% to $2.90 in aftermarket trading on Friday.

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