See the companies making headlines in after-hours trading. Five Below – Shares of Five Below plunged nearly 9% after the discount retailer announced in a press release that its CEO, Joel Anderson, had resigned “to pursue other interests.” The company has named Kenneth Bull interim president and CEO, effective immediately. The company also published gloomy expectations for second-quarter earnings and revenue. Interactive Brokers – The electronic broker gained about 1% after beating adjusted second-quarter earnings and revenue expectations. Interactive Brokers posted adjusted earnings of $1.76 on revenue of $1.29 billion, while analysts expected earnings of $1.74 per share on revenue of $1.27 billion, per LSEG. Customer accounts grew 28% year over year, while customer margin loans increased 32%, the company said. JB Hunt Transport Services – Shares of the logistics company fell 3% after JB Hunt’s worse-than-expected second-quarter results, which were pressured by higher insurance costs and a soft freight market that affected on-road truck competition. Earnings came in at $1.32 per share, while analysts polled by LSEG expected $1.52 per share. Revenue for the period was $2.93 billion, also below analyst expectations of $3.04 billion. Omnicom – Shares of Omnicom hovered around the flat after the marketing and communications company reported in-line earnings results, with adjusted earnings of $1.95 per share, which was exactly what analysts polled by FactSet had called for. However, Omnicom posted a slight profit increase, reporting $3.85 billion, while analysts polled by FactSet expected $3.83 billion. Hancock Whitney – The bank fell more than 6%. Hancock Whitney reported second-quarter earnings of $1.31 per share, compared with $1.35 per share a year earlier. Total deposits fell by $575.2 million to $29.2 billion during the period. – CNBC’s Darla Mercado contributed reporting.