I'm Ali Canal and you're taking a look at a live shot of the opening bells on Wall Street this Tuesday morning. Train Technologies ringing the bell at the New York Stock Exchange today. And over at the NASDAQ, CNBC is celebrating 30 years of squawk box with a special bell ringing of its own.this as traders await a revision to jobs numbers that could shape future Fed policy. Along with Apple's anticipated iPhone event, now opening bid is all about serving up investing analysis you need to know to unleash the ...