Which sentence is correct acording $to$ this rule "Use an apostrophe to indicate that a noun is possessive"?

$-$ After reading Wendys$$s tweets between their competition and their consumers, it has made me think on the things they do in order to expand their brand in the market.

or

$-$After reading Wendys' tweets between their competition and their consumers, it has made me think on the things they do in order to expand their brand in the market.