We might be in the depths of winter, but investors have been feeling warm and fuzzy about SunPower (SPWR -1.63%) stock these past few trading days. Data compiled by S&P Global Market Intelligence reveal the solar company's share price glowed more than 8% brighter over the course of this week. SunPower's latest financing news was a major reason for the uptick.SunPower was thrown a financial lifelineAt the end of November, SunPower announced a delay in delivering its latest set of quarterly financials to the ...