News roundup: Investar Bank reports net income of $2.3M in Q4 … Louisiana rolls out new certified logos, requirements for local products … Fed leaves key interest rate unchanged

Turning a profit: Baton Rouge-based Investar Holdings Corporation, the parent company of Investar Bank, today reported a net income of $2.3 million, or 25 cents per diluted share, compared to $1.8 mil…