SunPower Corporation (NASDAQ:SPWR) beat expectations again for 1Q14, but this is to be expected considering the company’s history of lowball guidance that almost guarantees a headline beat each quarter. GAAP revenue for last quarter was $692 million, compared to guidance of $575 million – $625 million, and GAAP gross margin was 23.5% compared to guidance of 18 – 20%. SunPower stock rose 6.75% from $32.02 to $34.18 on the news. Analysts adjust to low guidance Of course analysts have started to adjust to this consistent low guidance. Raymond James analyst Pavel Molchanov, who rates SunPower Corporation (NASDAQ:SPWR) Market Perform in…