<p>People walk in front of a signboard displayed at the head office of SBI</p><p><b>Ratings agency Moody's Investors Service on Tuesday downgraded the standalone rating for SBI, the country's top lender, citing its "modest" capital and weakening asset quality, sending its shares to a two-year low.</b></p><p>"Our expectations that non-performing assets are likely to continue rising in the near-term - due to higher rates and a slower economy - have caused us to adopt a negative view on SBI's creditworthiness," Beatrice Woo, Moody's Vice President and Senior Credit Officer, said in a statement.</p><p>Shares of in the state-controlled bank were down as much as 4.5% after the downgrade to a low of Rs 1,778. At 1.09 pm, shares of the lender, valued at about $24 billion, were off 4.06% at Rs 1,785.95.</p><p><b>(Pictures by Reuters)</b></p>