10 things you need to know today (SPY, SPX, QQQ, DIA, HTX, RGR)

Here is what you need to know.
South Korea goes to the polls. Barring a major upset, liberal Moon Jae-in, who is open to dialogue with North Korea, is expected to win, Reuters says.
UK retail sales bounce back. Data released by the Retail Sales Monitor from the British Retail Consortium on Tuesday showed that retail sales in April surged 5.6% versus a year ago after slipping 1% in March.
Bitcoin tops $1,700. The cryptocurrency trades up by 4.3% at $1,728 a coin. It's up 81% this year.
Jeff Gundl