ING U.S. ( VOYA) was downgraded at J.P. Morgan to underweight from neutral. $30 price target. Outlook lackluster and excessive valuation, J.P. Morgan said. Walker & Dunlop ( WD) was downgraded to hold at TheStreet Ratings. Vitamin Shoppe ( VSI) was downgraded at Credit Suisse to neutral from outperform. $46 price target. Company lacks near-term catalysts, Credit Suisse said.