Here are 4 tips for today's trading. This will help you decide where you should invest and what to look for:
Markets are looking calm Tuesday though a landmark deal on Iran's nuclear program is hitting oil prices.
European markets slipped and U.S. stock futures were edging lower.
1) Iran deal
1) Iran deal
Iran and the West have ended long-running negotiations with a deal that will lift sanctions in exchange for curbs on Tehran's nuclear program.
Sanctions have hobbled Iran's economy and restricted oil production and exports, and the country is eager to regain its status as a global energy power.
Crude prices slumped 1.8% to just above $51 a barrel in electronic trading as investors reacted to the deal, which could see a flood of new oil supplies from Iran.
2) Greek bailout
2) Greek bailout
Prime Minister Alexis Tsipras will face disgruntled colleagues and the Greek public as he seeks approval for a new bailout. The deal contains tough new austerity measures and Greek lawmakers will vote on the first package of reforms, which include pension cuts and tax increases, on Wednesday.
The bailout could inject up to $96 billion into the distressed economy, but it's not a done deal yet.
"Getting the deal though parliaments elsewhere in Europe won't be all that easy, but it's in Greece that the fallout could be seen most clearly in the form of new elections," Societe Generale strategist Kit Juckes said.
3) Earnings and economics
3) Earnings and economics
It's a busy day for earnings updates. Wells Fargo (CBEAX), Johnson & Johnson (JNJ) and JP Morgan Chase (JPM) all report ahead of the open. Yum! Brands (YUM) -- which owns Taco Bell, Pizza Hut and KFC -- will report after the close. Its stock is up 25% this year, but analysts forecast a 12% drop in the restaurant company's earnings.
4) Market movers
4) Market movers
Chinese state-owned firm Tsinghua Unigroup is preparing a $23 billion bid for U.S. chipmaker Micron, the Wall Street Journal reported on Tuesday. Micron (MU) shares were up 10% in premarket trading.
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