This week's earnings reports from Shopify, Marriott, and Wendy's will be closely watched by investors, according to Jim Cramer.

• On Friday, CNBC's Jim Cramer advised investors on the upcoming Wall Street activity, highlighting the importance of monitoring earnings from companies such as Shopify, Marriott, and Wendy's.
• Before the industry reports a slew of earnings results the week after, he advised researching retail stocks next week.

On Friday, CNBC's Jim Cramer advised investors to stay alert during earnings season, which is ongoing, and to closely monitor reports from companies such as , and .

Before the industry reports a slew of earnings results the week after, he advised researching retail stocks next week.

Cramer stated that next week appears busy, but it is a typical interregnum before retail earnings. He advised that it is essential to do homework before the heavy earnings weeks that lie ahead.

On Monday, Cramer stated that he would be anticipating earnings reports from two "scorchers," namely cloud networking company and AI software provider. Both companies reached new highs on Friday, and Cramer suggested that this could indicate they are overheating. However, he added that their stocks could still rise if the quarters turn out to be positive.

On Tuesday, Shopify, Marriott, used car dealer, animal health company, and airplane parts manufacturer will all report, and Cramer is optimistic about their performance.

On Wednesday, Cramer stated that he wouldn't touch the report from because the stock has been destroyed, and packaged food companies are out of fashion on Wall Street. Additionally, he expressed concern about the report from, which he believed would wait to lay off employees until it finalized its acquisition.

Cramer stated that he will closely examine Wendy's report and expressed uncertainty about the results due to the company's recent management change. Additionally, he will monitor a report from the , which consistently outperforms its competitors in online advertising, according to Cramer.

Cramer stated on Friday that it is worth waiting to observe the earnings from , a company that produces food for supermarkets to use as their store brands. Despite the success of and with their store brand products, the stock has been stationary.

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Disclaimer The CNBC Investing Club Charitable Trust holds shares of Costco.