ON Monday April 6, when the Bombay Stock Exchange Sensitive Index crashed by a whopping 167 points and rupee plummeted to a seven-month low—thanks to a raging Jayalalitha determined to secure her pound of flesh from the ruling coalition—the only people cheering were the heads of treasury operations at a few banks. Points out K.N. Dey, senior vice-president, Mecklai Financial & Commercial Services, a leading forex trading firm: "Monday's trading was purely speculator-driven. And between banks, some of which made a killing in the foreign exchange markets. Forex trade in the country is becoming increasingly inured to political rumours and threats of instability." That sentiment is echoed by the treasury head at a state-run bank, who feels that political seesaws could cause only a slight flutter in the market and "volatility, if at all, will be temporary". The central bank, he says, would keep the rupee safe.