export class Asset { constructor(data) { this.ticker = (data.ticker || 'UNKNOWN').toUpperCase(); this.currentPrice = data.currentPrice || 0; this.type = (data.type || 'STOCK').toUpperCase(); } formatCurrency(val) { return val ? `$${val.toFixed(2)}` : 'N/A'; } formatLargeNumber(num) { if (!num) return 'N/A'; if (num >= 1e12) return `${(num / 1e12).toFixed(2)}T`; if (num >= 1e9) return `${(num / 1e9).toFixed(2)}B`; if (num >= 1e6) return `${(num / 1e6).toFixed(2)}M`; return num.toString(); } }