Wall Street analysts tend to hide whenever stock markets selloff, as the S&P 500 and NASDAQ did at the beginning of last week. Reiterating buy ratings or taking a premature bearish view on stocks could cost them their reputations and their careers, so investors need to place a heavier weight on whatever new rating is revealed recently.These analysts decided to pick Suncor Energy Inc. NYSE: SU as their top pick among the broader selloffs, so now investors know that due diligence must be done to justify bette ...