** Shares of retail trading platform Robinhood HOOD.O climb 7.9% to $85.37 premarket after jumping more than 10% last session
** Financial Industry Regulatory Authority (FINRA) said in a regulatory filing on Tuesday it would replace current day-trading margin provisions with modern intraday margin standards
** Changes current day trading margin requirements that ban a trader from making more than four day-trades in a five-day period if their margin account has less than $25,000 in assets
** New margin standards now require customers to have enough equity in their account to cover the risks they run at that moment
** By removing old provisions FINRA said "more retail investors may choose to participate in the markets and pursue their preferred trading strategies"
** Trading platform eToro Group ETOR.O up 1% on Wednesday after rising 4.2% in last session; Interactive Brokers IBKR.O gains 1.4% after rising 3.4% in previous session
(Reporting by Shashwat Chauhan in Bengaluru)
((Shashwat.Chauhan@thomsonreuters.com))