Factbox: What the ECB did at its March 10 meeting

FRANKFURT (Reuters) - The European Central Bank on Thursday unveiled a large package of measures to stimulate the euro zone economy and boost inflation. Here are the highlights: INTEREST RATES - The main refinancing rate, which provides the bulk of liquidity to the banking system, was cut to zero from 0.05 percent. - The overnight deposit rate, which is paid to banks that keep their money with the ECB, was cut to -0.4 percent from -0.3 percent, meaning banks are paying to deposit. - The rate for