Swift
import UIKit

struct Stock: Codable {
    let symbol: String
    let price: Double
}

class StockViewController: UIViewController {
    
    var stocks: [Stock] = []
    
    override func viewDidLoad() {
        super.viewDidLoad()
        fetchStockData()
    }
    
    func fetchStockData() {
        let urlString = “https://api.example.com/stocks” // Replace with a valid API endpoint
        guard let url = URL(string: urlString) else { return }
        
        let task = URLSession.shared.dataTask(with: url) { (data, response, error) in
            if let error = error {
                print(“Error fetching stock data: \(error)”)
                return
            }
            
            guard let data = data else { return }
            
            do {
                let stocks = try JSONDecoder().decode([Stock].self, from: data)
                self.stocks = stocks
                DispatchQueue.main.async {
                    // Reload UI with fetched data
                }
            } catch {
                print(“Error decoding stock data: \(error)”)
            }
        }
        
        task.resume()
    }
}