Earnings season kicks it up a notch this week with over 300 companies reporting, including a bunch of blue chip large caps.Over the past few years, most investors didn’t care much about most of these names. They were considered boring, “old” names that paid dividends but didn’t give you the growth and excitement of the FANG stocks.But in 2018, everything has changed.Now, it’s some of the oldest companies in the United States in “old economy” industries like the railroads, that are soaring higher.But how have they looked on earnings beats?These five have some of the top earnings surprise streaks this week.5 Top Blue-Chip Earnings Charts to Watch1. Royal Caribbean RCL is in one of the hottest industries: travel and leisure. Not only have shares busted out to new 5-year highs but the company has only missed once in the last 5 years. Impressive.2. Caterpillar CAT has gained momentum in 2018 after coming off a breakout year in 2017. Who knew this old economy equipment maker would be so beloved suddenly? Caterpillar’s last earnings miss was all the way back in early 2015.3. Union Pacific UNP has benefitted from its terminals along the Mexican border. It has missed only 3 times over the prior 5 years. Volumes have been solid with its competitors. Will UNP follow suit?4. 3M MMM has missed 3 times in 5 years including just 2 quarters ago, but shares keep grinding higher and now sit at a 5-year high. It’s trading with a forward P/E of 25. Is it too hot to handle now?5. Raytheon RTN has a gorgeous chart with just 1 earnings miss in 5 years. Buy and hold has worked with this defense contractor but can it meet elevated expectations?Want to Learn How to Trade Options?Have you always wanted to trade stock options but are unsure where to begin or what to look for?Each week, Zacks’ Dave Bartosiak will bring you a detailed explanation of the trades “live” on YouTube.Watch him go through the trade as he answers your questions in real time.Become one of Dave’s minions. Join the Zacks Live Trader community today. It’s free!Click here to join Dave >>>The Hottest Tech Mega-Trend of AllLast year, it generated $8 billion in global revenues. By 2020, it's predicted to blast through the roof to $47 billion. Famed investor Mark Cuban says it will produce "the world's first trillionaires," but that should still leave plenty of money for regular investors who make the right trades early.See Zacks' 3 Best Stocks to Play This Trend >>Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report Union Pacific Corporation (UNP): Free Stock Analysis Report 3M Company (MMM): Free Stock Analysis Report Raytheon Company (RTN): Free Stock Analysis Report Royal Caribbean Cruises Ltd. (RCL): Free Stock Analysis Report Caterpillar, Inc. (CAT): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research