Telecom operator Vodafone Idea fell as much as 14.6% after the company's March-quarter loss widened and revenue fell, compared with the previous quarter
An article in the PBOC-backed Financial News on Tuesday quoted analysts as saying that the yuan is approaching a depreciation inflection point, and that it is likely to come under more pressure in the second half.
On the domestic front, investors await April mining and manufacturing figures due later in the day for clues on the health of the economy at the start of the second quarter.
The ECB is expected to keep policy settings steady, but the euro is likely to be sensitive to changes in the bank's economic forecasts or any signal that the pace of bond buying could be reduced in months ahead.