Complex sentence: "Suspicions" also continued Rabbitt's rise as a crossover artist, faring very well at Top 40 radio and eventually peaked at No.13 on the Billboard Hot 100, his highest peak on the pop chart to that time.
Split into simpler sentences: Suspicions also continued Rabbitt's rise as a crossover artist, as it fared very well at Top 40 radio. The song eventually peaked at No.13 on the Billboard Hot 100, his highest peak on the pop chart to that time.