Wall Street analysts recently issued a wave of downgrades on several homebuilding stocks, raising fresh concerns about the outlook for the real estate sector. But does their bearish stance hold up under closer inspection? To find out, investors need to dig into the fundamentals and key performance indicators (KPIs) driving these businesses. Here's what the data says—and what it could mean going forward. Affected by these downgrades, names like Lennar Corp. NYSE: LEN and PulteGroup Inc. NYSE: PHM have recent ...