The Sensex at the Bombay Stock Exchange is trading in red in reaction to the Union Budget presented before Parliament today. The 30- share index has recovered after briefly plunging 660 points and was trading 56 points at 23,098 a short while ago. The broader Nifty also followed the similar trend and is about 30 points down hovering just above 7000 mark. And at the forex market, the rupee had appreciated 15 paise, to 68.47 against the dollar in afternoon deals.