Yingli said it now expects to report a decline of 6%-7% in shipments for the January-March period when compared to the final quarter of 2012.

The company had previously predicted a “low-to-mid teen percent decrease”.

The preliminary Q1 figures sent its shares up by as much as 24% on the New York Stock Exchange by mid-morning today.

Yingli was the world’s biggest supplier of PV modules last year with 2.3GW,