U.S. Midday Stock Moves: MRNA, MAXR, CTAS, FGEN, AOUT

Advances:

• Moderna (MRNA) +7.3%. MRNA will join the S&P 500.
• Maxar Technologies (MAXR) +5.6%. MAXR shares were initiated as "overweight" at Morgan Stanley.
• Cintas (CTAS) +2.8%. CTAS shares were upgraded from "neutral" to "outperform" at Baird.

Declines:

• FibroGen (FGEN) -44%. The U.S. Food and Drug Administration voted against the company's treatment for anemia in chronic kidney disease treatments.
• American Outdoor Brands (AOUT) -19.9%. AOUT's fourth-quarter revenue disappointed.