Since the concluding months of the previous year, markets have been experiencing severe patches of crest and trough, which left investors in a lurch. Needless to say, the market regulator, Securities and Exchange Board of India (Sebi), finally had to step in to address the issue. Right from reworking on debt fund categorisation to restructuring norms governing liquid fund as well as holding credit rating agencies accountable, Sebi is on a spree.