Stock-specific activity is likely to remain in focus on Dalal Street on October 19, following a slew of earnings, corporate developments. Shares of HDFC Bank gained 2% after the bank reported a 4.7% year-on-year rise in standalone Q2 profit to Rs 19,510 crore, while net interest income grew 9.7% to Rs 34,619.2 crore. Shares of Urban Company declined 9% after its Q2 consolidated loss widened to Rs 182.5 crore from Rs 59.3 crore a year ago, despite a 41.4% rise in revenue to Rs 537.3 crore.