** Benchmark Nifty 50 .NSEI and Sensex .BSESN down 2.3% each so far this week; set to snap three-week winning run
** Set for biggest weekly drop since early April when Trump announced "Liberation Day" tariffs
** All 16 major sectors down for the week; IT .NIFTYIT and pharma .NIPHARM stocks drop 7% and 5%, respectively, to be biggest losers
** U.S. imposed $100,000 fee for new H-1B visas, which is expected to increase costs for IT companies
** Accenture's sluggish revenue outlook also weighs on IT stocks
** Pharma stocks slide after Trump announces 100% levy on branded and patented drugs