Asia markets took “sell in May” sentiment to heart on Monday, with the Japanese benchmark index tumbling as much as 4% and Australian shares taking a hit from a bank sell-off, Cnbc.com reported. The composite index of the Indonesia Stock Exchange (IDX) closed flat Friday last week (April 29), only inched down 0.2% to 4,838 with volatile trading. Foreign investors booked net sell of Rp385.3 billion, cutting year-to-date net buy to Rp4.39 trillion.To subscribe please click here