Heat oil in a large nonstick skillet over medium-high heat.
Sprinkle chicken with salt and pepper.
Add chicken to pan; cook 5 minutes on each side.
Remove chicken from pan; keep warm.
Combine wine, broth, cornstarch, and mustard.
Add to pan, scraping pan to loosen browned bits. Bring to a boil; cook 1 minute. Stir in olives and artichokes; cook 1 minute. Spoon sauce over chicken; sprinkle with parsley.