After PM Narendra Modi remarked in the Parliament on August 10 that stock market enthusiasts should invest in PSUs which the Opposition criticises, shares of 80% of 55 PSUs have surged between 10% and 75%, CNBC-TV18 reported. Shares of MMTC have recorded the highest surge, at over 78%. Shares of GMDC have surged 56% and SCIL's shares have surged 39%.