Rep. Frank Ferri, D-Warwick, who also is gay and lobbied for gay marriage before becoming a lawmaker himself, said it will be a vote to savor.

NPR: RI On Way To Be 10th State To Allow Gay Marriage

Rick Ferri took the argument to a long-term test and found it wanting, largely because of faulty assumptions regarding dividends and trading costs.

FORBES: Does Sell In May and Go Away Work?

Rick Ferri, founder of Portfolio Solutions LLC, an investment-management company in Troy, Mich.

WSJ: ETFs for Investors Who Buy and Hold