Uncertainty about the pace of renewable energy growth with the U.S. presidential election approaching has pushed investors to withdraw money from funds invested in renewables stocks—so much that these funds booked the biggest quarterly withdrawal ever in the first quarter of the year. Exchange traded funds that invest in stocks of renewable energy firms saw a combined outflow of $4.8 billion during the first quarter, according to LSEG Lipper data cited by Reuters. On top of policy uncertainty in the U.S. energy sector with the…