.stock-ticker-wrap {
    overflow: hidden;
    background: #1a1a1a;
    color: #fff;
    padding: 10px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 16px;
    white-space: nowrap;
}
.stock-ticker {
    display: inline-block;
    animation: scroll-left 20s linear infinite;
}
@keyframes scroll-left {
    0% { transform: translateX(100%); }
    100% { transform: translateX(-100%); }
}
.up { color: #00ff00; }
.down { color: #ff3b3b; }
@media (max-width: 600px) {
    .stock-ticker-wrap {
        font-size: 14px;
        padding: 8px;
    }
}