Market eye-Jefferies upgrades Maruti Suzuki to ``buy''
* Maruti Suzuki shares rise 3.9 percent after Jefferies upgrades the stock to ``buy'' from ``hold'' and raises its target price to 1,446 rupees from 1,398 rupees
Maruti Suzuki, the country's top carmaker, has raised prices of all its vehicles by 0.3-3.4% due to adverse foreign exchange movements and a rise in commodity prices, a company source told Reuters on Tuesday.