Check out the companies making headlines in after-hours trading. Five Below — Five Below shares tumbled nearly 9% after the discount retailer announced in a press release that its chief executive officer, Joel Anderson, had stepped down “to pursue other interests.” The company appointed Kenneth Bull as its interim president and CEO, effective immediately. The company also posted bleak guidance on earnings and revenue for the second quarter. Interactive Brokers — The electronic broker gained about 1% after beating adjusted earnings and revenue expectations for the second quarter. Interactive Brokers posted adjusted earnings of $1.76 on revenue of $1.29 billion, while analysts expected $1.74 per share in earnings on $1.27 billion in revenue, per LSEG. Customer accounts grew by 28% year over year, while customer margin loans were up 32%, the company said. J.B. Hunt Transport Services — Shares of the logistics company fell 3% after J.B. Hunt’s worse-than-expected second-quarter results, which were pressured by higher insurance expenses and a soft freight market that has impacted over-the-road truck competition. Earnings came out at $1.32 per share, while analysts polled by LSEG expected $1.52 per share. Revenue for the period was $2.93 billion, also under analysts’ calls for $3.04 billion. Omnicom — Omnicom’s shares hovered near the flatline after the marketing and communications company reported in-line earnings results, posting $1.95 per share in adjusted earnings, which is what analysts polled by FactSet had called for. Omnicom posted a slight beat in revenue, however, reporting $3.85 billion, while analysts polled by FactSet expected $3.83 billion. Hancock Whitney — The bank slid more than 6%. Hancock Whitney reported second-quarter earnings of $1.31 per share, down from $1.35 per share a year earlier. Its total deposits over the period declined $575.2 million, falling to $29.2 billion. — Tech Zone Daily’s Darla Mercado contributed reporting.