Although we don't believe in timing the market or panicking over market movements, we do like to keep an eye on big changes -- just in case they're material to our investing thesis.

What: Riding a wave of momentum with no new company-specific announcements, shares of Yingli Green Energy (NYSE:YGE) climbed more than 11% early Thursday before settling to close up around 7%. 

So what: Yingli Green Energy stock also jumped more than 10% yesterday after the Chinese solar specialist announced trial production of M-SI modules with what it's calling N-type Metal-Wrap-Through, or "N-MWT," technology. According to yesterday's press release, N-MWT should serve as a significant differentiator for Yingli's solar tech by both reducing power loss in the module encapsulation process and improving solar cell efficiency.

Now what: But while N-MWT definitely isn't a near-term catalyst, in March Yingli management did state they're aiming to increase photovoltaic market shipments in 2014 by roughly a third over last year to a range of 4 GW to 4.2 GW. That would help them achieve sustained profitability early in the third quarter. If Yingli shows notable progress toward these goals with its upcoming second quarter results -- and with the stock still trading more than 60% off its 52-week-high of $8.77 per share -- patient investors could still stand to be rewarded handsomely.

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Steve Symington and The Motley Fool have no position in any of the stocks mentioned. Try any of our Foolish newsletter services free for 30 days. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.