The American nuclear industry was the focus of much attention this week, and as a result, there was significant action in Oklo (OKLO -0.08%) stock. The reactor developer's shares notched a more than 5% gain over the week, according to data compiled by S&P Global Market Intelligence.Trump goes nuclearThis week's momentum behind Oklo and other nuclear stocks was stirred by none other than President Trump, when he signed an executive order (EO) last Friday aimed at supporting the industry. Among other measures ...