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S&P 500 Retailer Leads Five Resilient Stocks After Nvidia-Led Market Sell-Off

On Oct. 21, the aerospace and defense S&P 500 component topped third-quarter views. RTX reported a 17% increase in earnings to $1.70 per share adjusted. Revenue jumped 12% to $22.5 billion. It's the ...

What Is Spark Plug Indexing, And Is It Really Necessary?

Something about engine spark plugs that rarely seems to get mentioned is indexing. What is it, actually? Should you index the ...