Monday’s top stock to watch on Wall Street

Here are Monday’s biggest calls on Wall Street: KBW upgrades Bank of America to market perform from underperform KBW upgraded the banking giant with long-term rates declining. “We are upgrading BAC’s shares to Market Perform from Underperform, partly due to the recent decline in long-term rates following the better-than-expected productivity report followed by a weaker-than-expected jobs report.” KBW upgrades Key Corp to outperform from market perform KBW said in its upgrade of the regional bank that it has increased visibility on capital. “We are upgrading KEY to Outperform from Market Perform with the stock trading at an 18% discount to…