mumbai the bse benchmark sensex on monday fell by 55 points as investors feared another hike in interest rates when rbi reviews the inflation situation next week amid a weak global trendthe bombay stock exchanges 30share index which shed 56 points in the previous session today lost another 5488 points at 1850704 on concerns that high inflation in june might force the reserve bank of india to hike borrowing costsbroadbased national stock exchange index nifty fell by 1405 points to 556705brokers said weakness in asia and lower opening in europe amid concern over the fate of political negotiations on raising us debt by august to avoid a default by the usd 14 trillioneconomy made investors cautiousbesides failure of eight european banks in clearing the european banking authoritys stress tests spiked the marketthe bearish sentiment abroad infected the software companies stocks at home as they get over 50 per cent of their revenues from the us and european market exportsinfosys the secondheaviest scrip on sensex fell 060 per cent to rs 271405 while tcs the countrys largest it services exporter lost 197 per cent at rs 112540 a piecemarket sentiment was also jittery ahead of quarter earnings by some leading companies on expectations that they might fall behind the market expectations three out of the four sensex companies first quarter earnings have fallen short of analyst estimates as rising interest costs crimped profitsauto it healthcare and teck stocks traded low while gains in realty consumer durable metal and power sectors saved the market from any major fall